NCT04913532

Brief Summary

Simultaneous integrated boost radiotherapy has been investigated in some malignant tumors and appears to be safe and feasible. However, Hypofractionation with simultaneous integrated boost has been investigating in breast cancer. Investigators initiated this phase II prospective trial to analyse acute toxicity of hypofractionation with simultaneous integrated boost in patients with early breast cancer.

Trial Health

87
On Track

Trial Health Score

Automated assessment based on enrollment pace, timeline, and geographic reach

Enrollment
35

participants targeted

Target at below P25 for not_applicable breast-cancer

Timeline
Completed

Started Jun 2021

Typical duration for not_applicable breast-cancer

Geographic Reach
1 country

1 active site

Status
completed

Health score is calculated from publicly available data and should be used for screening purposes only.

Trial Relationships

Click on a node to explore related trials.

Study Timeline

Key milestones and dates

First Submitted

Initial submission to the registry

May 30, 2021

Completed
5 days until next milestone

First Posted

Study publicly available on registry

June 4, 2021

Completed
18 days until next milestone

Study Start

First participant enrolled

June 22, 2021

Completed
2 years until next milestone

Primary Completion

Last participant's last visit for primary outcome

June 30, 2023

Completed
2.1 years until next milestone

Study Completion

Last participant's last visit for all outcomes

July 31, 2025

Completed
Last Updated

January 23, 2026

Status Verified

January 1, 2026

Enrollment Period

2 years

First QC Date

May 30, 2021

Last Update Submit

January 21, 2026

Conditions

Outcome Measures

Primary Outcomes (1)

  • Acute Toxicity

    Acute skin radiogenic toxicity grade II or higher according to NCI-CTCAE

    6 months

Secondary Outcomes (2)

  • Feasibility of the radiation plan

    19 days

  • other acute Toxicity

    0-6 months

Other Outcomes (1)

  • Skin toxicity (Cosmetic results)

    0 to 6 months

Study Arms (1)

Hypofractionation with SIB

EXPERIMENTAL

Hypofractionation with SIB

Radiation: Hypofractionation with simultaneous integrated boost

Interventions

Hypofractionation with simultaneous integrated boost

Hypofractionation with SIB

Eligibility Criteria

Age18 Years+
Sexfemale
Healthy VolunteersNo
Age GroupsAdult (18-64), Older Adult (65+)

You may qualify if:

  • Histopathologically confirmed breast cancer operated by breast conserving surgery with clear margins
  • Indication to adjuvant radiotherapy including boost radiotherapy
  • Clearly identified primary tumor region preferably by radiopaque clips
  • Primary wound healing after breast conserving therapy without signs of infection
  • Pre- and/or postoperative chemotherapy and endocrine therapy were permitted when indicated
  • Written informed consent

You may not qualify if:

  • Patients operated by mastectomy
  • No indication for boost radiation
  • Resection margins positive for disease or insufficient identification of the boost volume
  • Indication for radiotherapy of the regional lymph nodes
  • History of prior breast or thoracic radiotherapy
  • Extended postoperative seroma at the beginning of radiotherapy
  • Psychiatric disorders or psychological disabilities thought to adversely affect treatment compliance
  • Pregnant or lactating patients and woman of child bearing potential, who lacked effective contraception

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Study Sites (1)

Beijing Shijitan Hospital

Beijing, 100038, China

Location

MeSH Terms

Conditions

Breast Neoplasms

Condition Hierarchy (Ancestors)

Neoplasms by SiteNeoplasmsBreast DiseasesSkin DiseasesSkin and Connective Tissue Diseases

Study Officials

  • Wenjie Ni, MD.

    Beijing Shijitan Hospital, Capital Medical University

    PRINCIPAL INVESTIGATOR

Study Design

Study Type
interventional
Phase
not applicable
Allocation
NA
Masking
NONE
Purpose
TREATMENT
Intervention Model
SINGLE GROUP
Sponsor Type
OTHER
Responsible Party
PRINCIPAL INVESTIGATOR
PI Title
Capital Medical University

Study Record Dates

First Submitted

May 30, 2021

First Posted

June 4, 2021

Study Start

June 22, 2021

Primary Completion

June 30, 2023

Study Completion

July 31, 2025

Last Updated

January 23, 2026

Record last verified: 2026-01

Data Sharing

IPD Sharing
Will not share

No.

Locations